The average speed if an airplane travels 1364 miles in 5.5 hours is 248 miles/hr.
100 miles / 4 hours = 25 miles per hour.
40mph
42mph
It travels 288 miles in 4 hours 30 minutes at that speed.
Average speed = (total distance) divided by (total time) = (150 + 150) / (2.5 + 3.5) = 300/6 = 50 miles per hour.
60 mph
60 mph
If a car travels 330 miles in 5.5 hours, what is the mph?
If that's really what the question is, the answer is 1400 mph. If the question is actually "A truck travels 1400 miles in 20 hours, what is its average speed?" then the answer is 70 mph.
The average speed is 2050/5 = 410 miles per hour.
It travels 100 miles in 2.5 hours.